John Deere 8400T: all source data
All 59 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | John Deere |
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| (no label) | Agricultural Crawler tractor |
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| (no label) | Built in Waterloo, Iowa, USA |
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Engine| (no label) | John Deere 8.1L 6-cyl |
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Transmission| (no label) | 16-speed full powershift |
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Power| PTO (claimed) | 225 hp | 167.8 kW |
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| Drawbar (tested) | 195.75 hp | 146.0 kW |
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| PTO (tested) | 255.16 hp | 190.3 kW |
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Mechanical| Drive | crawler |
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| Steering | hydrostatic power |
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| (no label) | Hydraulic wet disc brakes |
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| (no label) | CommandView Cab standard |
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Capacity| Fuel | 130 gal | 492.1 L |
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| Hydraulic system | 65 gal | 246.0 L |
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Hydraulics| Type | pressure/flow compensated (PFC) |
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| Capacity | 65 gal | 246.0 L |
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| Pressure | 2900 psi | 200.0 bar |
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| Valves | 3 to 5 |
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| Pump flow | 30 gpm | 113.6 lpm |
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| Pump flow | 38 gpm (optional) | 143.8 lpm |
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Hitch| Rear Type | III/IIIN |
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| Rear lift | 15,650 lbs | 7098 kg |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 1000 |
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Dimensions| Wheelbase | 89 inches | 226 cm |
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| Weight | 25,000 lbs | 11340 kg |
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| (no label) | 16-inch tracks |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 140 |
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| Batteries | 2 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | John Deere |
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| (no label) | turbocharged intercooled |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 496 ci | 8.1 L |
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| Bore/Stroke | 4.56x5.06 inches | 116 x 129 mm |
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| Air cleaner | two paper elements |
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| Compression | 16.5:1 |
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| Rated RPM | 2200 |
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| Starter volts | 12 |
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| Oil capacity | 22.7 qts | 21.5 L |
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| Coolant capacity (Coolant) | 35.9 qts | 34.0 L |
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Transmission
Transmission| Type | full powershift |
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| Gears | 16 forward and 4 reverse |
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| Oil capacity | 260 qts | 246.1 L |
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Dimensions
Tracks| Width | 16 inches | 40 cm |
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| Width | 24 inches | 60 cm |
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| Width | 30 inches | 76 cm |
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Dimensions| Wheelbase | 89 inches | 226 cm |
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| Length | 207 inches | 525 cm |
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| Length | 219.6 inches (with front weights) | 557 cm |
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| Width | 103.7 inches (minimum) | 263 cm |
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| Height (cab) | 122.9 inches | 312 cm |
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| Operating weight | 25,000 lbs | 11340 kg |
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| Ballasted weight | 27,330 lbs | 12396 kg |
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| Ground clearance | 17.7 inches (drawbar) | 44 cm |
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| Ground clearance | 21.7 inches (rear axle) | 55 cm |
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